WO2006010976A1 - Enhancing time keeping accuracy for low power gps receivers - Google Patents
Enhancing time keeping accuracy for low power gps receivers Download PDFInfo
- Publication number
- WO2006010976A1 WO2006010976A1 PCT/IB2004/002163 IB2004002163W WO2006010976A1 WO 2006010976 A1 WO2006010976 A1 WO 2006010976A1 IB 2004002163 W IB2004002163 W IB 2004002163W WO 2006010976 A1 WO2006010976 A1 WO 2006010976A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mobile device
- clock signal
- clock
- timing
- counter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800434876A CN1977184B (en) | 2004-06-30 | 2004-06-30 | Mobile device including low power GPS receivers for enhancing time keeping accuracy |
AT04743832T ATE553398T1 (en) | 2004-06-30 | 2004-06-30 | IMPROVE TIME ACCURACY FOR LOW POWER GPS RECEIVER |
US11/631,356 US7535417B2 (en) | 2004-06-30 | 2004-06-30 | Enhancing time keeping accuracy for low power GPS receivers |
EP04743832A EP1761795B1 (en) | 2004-06-30 | 2004-06-30 | Enhancing time keeping accuracy for low power gps receivers |
PCT/IB2004/002163 WO2006010976A1 (en) | 2004-06-30 | 2004-06-30 | Enhancing time keeping accuracy for low power gps receivers |
KR1020077002415A KR100933392B1 (en) | 2004-06-30 | 2004-06-30 | Improving Timekeeping Accuracy for Low-Power GPS Receivers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/002163 WO2006010976A1 (en) | 2004-06-30 | 2004-06-30 | Enhancing time keeping accuracy for low power gps receivers |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006010976A1 true WO2006010976A1 (en) | 2006-02-02 |
Family
ID=35785929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/002163 WO2006010976A1 (en) | 2004-06-30 | 2004-06-30 | Enhancing time keeping accuracy for low power gps receivers |
Country Status (6)
Country | Link |
---|---|
US (1) | US7535417B2 (en) |
EP (1) | EP1761795B1 (en) |
KR (1) | KR100933392B1 (en) |
CN (1) | CN1977184B (en) |
AT (1) | ATE553398T1 (en) |
WO (1) | WO2006010976A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9322924B2 (en) * | 2008-12-12 | 2016-04-26 | Broadcom Corporation | Method and system for power management for a frequency synthesizer in a GNSS receiver chip |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7970534B2 (en) | 2006-08-24 | 2011-06-28 | Blackbird Technologies, Inc. | Mobile unit and system having integrated mapping, communications and tracking |
US7843335B2 (en) * | 2007-03-13 | 2010-11-30 | Blackbird Technologies, Inc. | Mobile asset tracking unit, system and method |
US20100081458A1 (en) * | 2008-10-01 | 2010-04-01 | Qualcomm Incorporated | Mobile Terminal Motion Detection Methods and Systems |
US8407037B2 (en) * | 2008-11-05 | 2013-03-26 | Qualcomm, Incorporated | Methods and apparatus for clock simulation with calibration |
US9739890B2 (en) * | 2009-11-04 | 2017-08-22 | Maxlinear, Inc. | GPS baseband controller architecture |
US8054221B1 (en) * | 2010-11-15 | 2011-11-08 | Apple Inc. | Methods for testing satellite navigation system receivers in wireless electronic devices |
US8811192B2 (en) | 2011-02-10 | 2014-08-19 | Apple Inc. | Methods for testing wireless local area network transceivers in wireless electronic devices |
US8538373B2 (en) | 2011-05-25 | 2013-09-17 | Blackbird Technologies, Inc. | Methods and apparatus for emergency tracking |
US8649755B2 (en) | 2011-12-16 | 2014-02-11 | Qualcomm Incorporated | Timing circuit calibration in devices with selectable power modes |
US9066295B2 (en) | 2011-12-16 | 2015-06-23 | Qualcomm Incorporated | Power conservation techniques for use in devices with selectable power modes |
US20130289872A1 (en) * | 2011-12-19 | 2013-10-31 | Jonathan Segev | Navigation systems and methods |
US9582391B2 (en) | 2012-04-18 | 2017-02-28 | W2Bi, Inc. | Logistics of stress testing |
US9541649B2 (en) | 2013-05-02 | 2017-01-10 | The Mitre Corporation | Detecting timing anomalies |
US9184786B2 (en) * | 2013-11-19 | 2015-11-10 | Marvell World Trade Ltd. | Systems and methods for clock calibration for satellite navigation |
US10495759B2 (en) | 2014-02-13 | 2019-12-03 | The Mitre Corporation | GPS spoofing detection techniques |
US20150247928A1 (en) * | 2014-02-28 | 2015-09-03 | Texas Instruments Incorporated | Cooperative location sensor apparatus and system for low complexity geolocation |
WO2016100999A1 (en) | 2014-12-23 | 2016-06-30 | Fts Computertechnik Gmbh | Method and device for energy-saving external synchronization of clocks in a distributed real-time computer system |
US20180120443A1 (en) * | 2016-10-28 | 2018-05-03 | Qualcomm Incorporated | Method and apparatus for reducing time uncertainty using relative change in position |
CN110161545B (en) * | 2018-02-12 | 2022-04-15 | 清华大学 | Positioning system and positioning signal generation method thereof |
US11226650B1 (en) | 2019-09-05 | 2022-01-18 | Lytx, Inc. | Managing a time reference |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5592173A (en) * | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
US20030040869A1 (en) | 2000-03-30 | 2003-02-27 | Joseph Nir | Providing time sychronization to a gps locator |
WO2003029836A2 (en) | 2001-10-02 | 2003-04-10 | Sirf Technology, Inc. | Global positioning apparatus and method for using a temperature compensated oscillator to perform a position fix |
GB2394134A (en) | 2002-10-08 | 2004-04-14 | Parthusceva Ireland Ltd | Position fixing of a combined GPS/mobile handset using a calibrated time signal |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5596333A (en) * | 1994-08-31 | 1997-01-21 | Motorola, Inc. | Method and apparatus for conveying a communication signal between a communication unit and a base site |
US5893044A (en) * | 1997-01-21 | 1999-04-06 | Motorola Inc. | Real time clock apparatus for fast acquisition or GPS signals |
US6236839B1 (en) * | 1999-09-10 | 2001-05-22 | Utstarcom, Inc. | Method and apparatus for calibrating a smart antenna array |
US6778136B2 (en) * | 2001-12-13 | 2004-08-17 | Sirf Technology, Inc. | Fast acquisition of GPS signal |
US6438381B1 (en) * | 2000-06-08 | 2002-08-20 | Motorola, Inc. | Method and apparatus for location determination of a cellular telephone |
US6985811B2 (en) * | 2001-10-30 | 2006-01-10 | Sirf Technology, Inc. | Method and apparatus for real time clock (RTC) brownout detection |
US6901330B1 (en) * | 2001-12-21 | 2005-05-31 | Garmin Ltd. | Navigation system, method and device with voice guidance |
JP4164662B2 (en) * | 2003-06-10 | 2008-10-15 | 日本電気株式会社 | Portable terminal and GPS time keeping method |
-
2004
- 2004-06-30 EP EP04743832A patent/EP1761795B1/en not_active Not-in-force
- 2004-06-30 WO PCT/IB2004/002163 patent/WO2006010976A1/en active Application Filing
- 2004-06-30 US US11/631,356 patent/US7535417B2/en not_active Expired - Fee Related
- 2004-06-30 CN CN2004800434876A patent/CN1977184B/en not_active Expired - Fee Related
- 2004-06-30 KR KR1020077002415A patent/KR100933392B1/en not_active IP Right Cessation
- 2004-06-30 AT AT04743832T patent/ATE553398T1/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5592173A (en) * | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
US20030040869A1 (en) | 2000-03-30 | 2003-02-27 | Joseph Nir | Providing time sychronization to a gps locator |
WO2003029836A2 (en) | 2001-10-02 | 2003-04-10 | Sirf Technology, Inc. | Global positioning apparatus and method for using a temperature compensated oscillator to perform a position fix |
GB2394134A (en) | 2002-10-08 | 2004-04-14 | Parthusceva Ireland Ltd | Position fixing of a combined GPS/mobile handset using a calibrated time signal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9322924B2 (en) * | 2008-12-12 | 2016-04-26 | Broadcom Corporation | Method and system for power management for a frequency synthesizer in a GNSS receiver chip |
Also Published As
Publication number | Publication date |
---|---|
CN1977184A (en) | 2007-06-06 |
EP1761795B1 (en) | 2012-04-11 |
CN1977184B (en) | 2011-06-08 |
KR20070037628A (en) | 2007-04-05 |
EP1761795A1 (en) | 2007-03-14 |
KR100933392B1 (en) | 2009-12-22 |
ATE553398T1 (en) | 2012-04-15 |
US20070285309A1 (en) | 2007-12-13 |
US7535417B2 (en) | 2009-05-19 |
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